Sleeve for a knife



FIG. 1 is a perspective view of a sleeve for a knife showing our new design, the knife shown in broken lines for illustrative purposes only;

FIG. 2 is a side elevation view thereof;

FIG. 3 is an opposite side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is a side elevation view thereof without the broken lines showing environment;

FIG. 9 is an opposite side elevation view of FIG. 8;

FIG. 10 is a top plan view of FIG. 8;

FIG. 11 is a bottom plan view of FIG. 8;

FIG. 12 is a front elevation view of FIG. 8; and,

FIG. 13 is a rear elevation view of FIG. 8. 

The ornamental design for a sleeve for a knife, as shown and described. 